Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/63 and 35/70

1st number: 1 9/63, 2nd number: 35/70

72/63 + 35/70 is 23/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 70 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 63 × 10 = 630,
    72/63 = 72 × 10/63 × 10 = 720/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    35/70 = 35 × 9/70 × 9 = 315/630
  4. Add the two like fractions:
    720/630 + 315/630 = 720 + 315/630 = 1035/630
  5. 1035/630 simplified gives 23/14
  6. So, 72/63 + 35/70 = 23/14
    In mixed form: 19/14

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

© everydaycalculation.com